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Microsoft Security Intelligence
Published Aug 27, 2013 | Updated Sep 15, 2017


Detected by Microsoft Defender Antivirus

Aliases: W32/Trojan.PSIK-4747 (Command) Trojan.DownLoader9.19947 (Dr.Web) Win32/TrojanDownloader.Waski.B trojan (ESET) W32/Agent.ZZZ!tr (Fortinet) Trojan.Win32.Bublik.ceqt (Kaspersky) winpe/Upatre.BI (Norman)


Windows Defender detects and removes this threat.

This trojan can download and install other programs, including other malware, onto your PC.

It can be installed on your PC from a spam email attachment.

This threat is one of the many variants of the Upatre malware family. See the Win32/Upatre family description for more information.

Use the following free Microsoft software to detect and remove this threat:

You should also run a full scan. A full scan might find other hidden malware.

Enable MAPS 

Enable the Microsoft Active Protection Service (MAPS) on your system to protect your enterprise software security infrastructure in the cloud.

  1. Check if MAPS is enabled in your Microsoft security product:

    1. Select Settings and then select MAPS.

    2. Select Advanced membership, then click Save changes. With the MAPS option enabled, your Microsoft anti-malware security product can take full advantage of Microsoft's cloud protection service

  2. Join the Microsoft Active Protection Service Community.  
Prevent malware infections from spam emails
Get more help

You can also visit our advanced troubleshooting page or search the Microsoft virus and malware community for more help.

If you’re using Windows XP, see our Windows XP end of support page.

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